The Super Junior Max is our highest spec metal bike, a lightweight frame gives children the confidence to ride independently and learn how to balance. With padded seats and pneumatic tyres it?s super comfy for little backsides, while a lightweight frame and rear drum brake ensure a safe and smooth ride. Features: Upright riding position similar to a BMX bike Comfortable adjustable padded seat Pneumatic tyres to ensure a smooth ride Dimensions Seat height: 340mm - 470mm Wheel size: 12in Weight: 4.1k..